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| author | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-01-22 02:23:15 +0100 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-01-22 02:23:15 +0100 |
| commit | 19c22c34dcbecb50c24548aa2ff2b07039c26c14 (patch) | |
| tree | 15793721700c05310952fede97a2585ca1959709 /arch/mips/kernel/traps.c | |
| parent | [media] az6007: CodingStyle fixes (diff) | |
| parent | Linux 3.3-rc1 (diff) | |
| download | linux-19c22c34dcbecb50c24548aa2ff2b07039c26c14.tar.xz linux-19c22c34dcbecb50c24548aa2ff2b07039c26c14.zip | |
Merge tag 'v3.3-rc1' into staging/for_v3.3
* tag 'v3.3-rc1': (8187 commits)
Linux 3.3-rc1
x86, syscall: Need __ARCH_WANT_SYS_IPC for 32 bits
qnx4: don't leak ->BitMap on late failure exits
qnx4: reduce the insane nesting in qnx4_checkroot()
qnx4: di_fname is an array, for crying out loud...
KEYS: Permit key_serial() to be called with a const key pointer
keys: fix user_defined key sparse messages
ima: fix cred sparse warning
uml: fix compile for x86-64
MPILIB: Add a missing ENOMEM check
tpm: fix (ACPI S3) suspend regression
nvme: fix merge error due to change of 'make_request_fn' fn type
xen: using EXPORT_SYMBOL requires including export.h
gpio: tps65910: Use correct offset for gpio initialization
acpi/apei/einj: Add extensions to EINJ from rev 5.0 of acpi spec
intel_idle: Split up and provide per CPU initialization func
ACPI processor: Remove unneeded variable passed by acpi_processor_hotadd_init V2
tg3: Fix single-vector MSI-X code
openvswitch: Fix multipart datapath dumps.
ipv6: fix per device IP snmp counters
...
Diffstat (limited to 'arch/mips/kernel/traps.c')
| -rw-r--r-- | arch/mips/kernel/traps.c | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c index 5c8a49d55054..cc4a3f120f54 100644 --- a/arch/mips/kernel/traps.c +++ b/arch/mips/kernel/traps.c @@ -91,6 +91,7 @@ int (*board_be_handler)(struct pt_regs *regs, int is_fixup); void (*board_nmi_handler_setup)(void); void (*board_ejtag_handler_setup)(void); void (*board_bind_eic_interrupt)(int irq, int regset); +void (*board_ebase_setup)(void); static void show_raw_backtrace(unsigned long reg29) @@ -400,7 +401,7 @@ void __noreturn die(const char *str, struct pt_regs *regs) panic("Fatal exception in interrupt"); if (panic_on_oops) { - printk(KERN_EMERG "Fatal exception: panic in 5 seconds\n"); + printk(KERN_EMERG "Fatal exception: panic in 5 seconds"); ssleep(5); panic("Fatal exception"); } @@ -1150,7 +1151,7 @@ asmlinkage void do_mt(struct pt_regs *regs) asmlinkage void do_dsp(struct pt_regs *regs) { if (cpu_has_dsp) - panic("Unexpected DSP exception\n"); + panic("Unexpected DSP exception"); force_sig(SIGILL, current); } @@ -1339,9 +1340,18 @@ void ejtag_exception_handler(struct pt_regs *regs) /* * NMI exception handler. + * No lock; only written during early bootup by CPU 0. */ -NORET_TYPE void ATTRIB_NORET nmi_exception_handler(struct pt_regs *regs) +static RAW_NOTIFIER_HEAD(nmi_chain); + +int register_nmi_notifier(struct notifier_block *nb) +{ + return raw_notifier_chain_register(&nmi_chain, nb); +} + +void __noreturn nmi_exception_handler(struct pt_regs *regs) { + raw_notifier_call_chain(&nmi_chain, 0, regs); bust_spinlocks(1); printk("NMI taken!!!!\n"); die("NMI", regs); @@ -1682,6 +1692,8 @@ void __init trap_init(void) ebase += (read_c0_ebase() & 0x3ffff000); } + if (board_ebase_setup) + board_ebase_setup(); per_cpu_trap_init(); /* |